Question
A ray of light travels from Liquid helium (n=1.03) into a second material. You gradually increase the angle of incidence until, at 83.6°, the light no longer passes into the second material. What is the index of refraction of the second material?
Answers
bobpursley
sinTheta=n/1.03
n/1.03=.994
n= 1.028
http://www.physicsclassroom.com/class/refrn/Lesson-3/The-Critical-Angle
n/1.03=.994
n= 1.028
http://www.physicsclassroom.com/class/refrn/Lesson-3/The-Critical-Angle